code: def restore(self, checkpoint):
      with open(checkpoint, "rb") as f:
          state_dict = SafePickle.load(f)
      self.load_state_dict(state_dict)
  
imports: from bigdl.orca.automl.model.abstract import BaseModel, ModelBuilder
  import numpy
  from bigdl.orca.automl.metrics import Evaluator
  from bigdl.orca.common import SafePickle
  import copy
  import tensorflow
  from tensorflow.keras import backend
  import types
  from bigdl.dllib.utils.log4Error import *
label_desc: Use image node_id 11 for calling the KerasBaseModel obj's underlying member method code with example usage: obj.restore(checkpoint) without return types